18'x36' Green Mesh Rectangle Inground Safety Pool Cover - 12 Year Warranty - 18 ft x 36 ft In Ground Winter Cover Includes all Hardware (Springs, Anchors, Allan Key, Tightening Bar and Storage Bag) 12 Year Warranty - Made in the USA Made With 3-PLY, 4,000 LB Burst Strength Polypropolene Webbing Increased Weave Counts For Added Strength & Shading Designed For The Harshest, Coldest Climates In North America